Balanced door



`uly 2l, 1936.

M. ESSER BALANCED DOOR Filed Sept. 19, 1935 2 Sheets-Sheet 1 mfr/Mig Lg Gttorneg M. ESS ER BALANCED DOOR July 21, 1936.

2 Sheets-Sheet 2 Filed Sept. 1.9, 1935 MART/N Uff-le.

A Bg

Gttorneg 65 Y. :Although the Y' 5 is A*formedwithfaV yoke adjacent its outer end to receive the Vend of, a link42, the pivotal `connection therein being effected through a stud 43.Y vY'I'he"alinhof'ihe' 42 `ttilililiae'S ill apCleViSed Vend which is fulcrum'ed through a pin 44 upon aY `Y i l0 VVboss 45 formed in the lower portion of the'doorr20, Y Y*Theouter edge of theV door, asrr illustrated in f Y Figsgz and 3,7isgadaptedtojswing in the direction K Y arms, whereby the door is rotated upon the supindicated by the arrow, the doorrjrams 46 and 41 providing stopsY Yfor the vertical edges'thereoiLl i5 whnetheiedges 4s (Fig. mienne orig; n) rfoi-:l1 i

abutting surface in the upper portionYof the cas-Y Y fing; As will be seen in FigV.-2,Ythe1ledg'e 48V is 'of reduced transverse Y Y g clearance'forthe projectingYflange 50Yof the door 20 Vwhich isYYseated-in therr'ecess .75| inthe uppervpor-.r

Y Ytion-of thercasinglw'hen thedooi is disposedinr` its closedposition. 'i Y i A V.Push fplates and handlers'of a suitable type and indicated .by the bracket 52 Fig i may be Y, 25 provided to" accommodate manipulation f'rthev Y L? domi; I AY num Operatedorspringdoor check 53,v` Y

concealed-'belowthe surface of the iioor, VandY operfativel" V4connected to the shaft 23 may be pro Y' 'gividedfii desiredjtofsnubfthe movement; of the` Y 90' door upon operation thereof. Y l Y movement of the doorrmay be snubbed by a spring 1 Y Y; 'o or other suitable checkcoordinatedjwith the If' i desired 'Y the f stanchion 23fbui1t within the door casing.'

Yrnroperation, ywhen the door( is opened si pivotalconnection 43 between 'Y slnriguregathedoor wurbeotatedand drawnv Y` i laterallyYuntil'it: has reached position adjacent A the frame and substantially. normal 'to 4the plane Y ofgthedoor" 'Y Lits closedvfpositionfisthe link Y q 42 revolvedr,`as shown in'dotted line position in Y fso' figure' 3,100 .theiiimit .of its mendedY ;posmon,

r Yarm 22Ywill'be swung uponiitsvfulcrum'23 toV the Y Ythe portions of the arms eiecting asteady'unL- Y YYY- forni-YV translation' of the doorY throughoutVV such Y 55 operating cyle and Y at the Y same time' ipsustainms VVthebalanceof the door.'`

i "The vertical edges of thefdoorin'itsopenposif Y tinneingfdisposed beyond each-sidemYtnefcioorY l opening will beequalized; the wind pressuretnerei- 50V on will belre'alized while the Vdoor is swung to its `open'Vposition,rsinceA the lateralfedgeslrof Vthe'door Y 1 are Vrotated upon theV supportingV arms 2i and Y22VV Yandthe door is 'simultaneously guided bythe links Y *foregoing descriptionYYis( neces-V- l sarily Yof a detailedcharacter,'invr order that the YYinvention may be completely set forth, it is tobe understood thatY the specific terminology is not intendedrto be'restrictive or confining 'and that jo various"'rearrangementsYrofv partsand Ymod igfica-Y Y Y nous of detail mayge-resorted1tpwithoutdepartingf'rom' the scope or spirit of thevinvention as Y `herein claimed,

1,6 'f1;fnlcombination'with'afdoorandframa aV Y 2,048,601 Y n Y swinging supporting structurejfor said door,^com, Y Y

VYin opening and jclosing fthe door.

sectionfinV ordei` to provide gearedto one ofthe rst namedA arms, and means Y. Y theini-f '.35 tialjrnovementrthereof about the` pivots 23V and 32Y l Y Y willcause -theYrlink 421Which is fulcrumed forY l wardlyof pivots 5to overtake the arm 39 `fand the. Yinterfgeared'arm 3,8,which'inturn breaks the Y Y, Y me link @21am Y l 74o arm 39'fand causes the'door'to befrotated as'it Y swings through the openinggup'on its supporting* Ying4 arm, 'ag linkpivotally connected to saidYdoor Vin upon said supporting arms. Y

prising a stanchion pivotally mounted within the door frame, supporting arms Vaixed upon said stanchionf and pivotally mounted upon the top Vand bottom ends of the door remote aV vertical 5 edge thereof, a second arm Ypivotally mounted within said door frame and inter-geared with'one Yoffsaidsupporting arms, a link pivotally connect.-

ed to the second named arm and lto said door, the

Y pivotal connection between saidrlink and the door 1()V o' l V .beingdisposed in spaced relation withrthe pivotal connection between the door and vsaid supporting pfofrtingjarnis as said supporting arms arev swung l Y x I 15 2; A pivotal swinging mounting for a door,lcom prisingra bar, a pair of arms ainxed thereto and adapted to pivotally support a door,` a second'arm arms while said armsare swungiindoorfopening Y ounting Vfor .a swlnging revolvable door,

adapted to pivotally-support 25" aldoor, gear teeth lon said arm, a Ytrunnion pivot- Y' Y allyA Vsupporting VVsaidV arm, a secondarm, gearVV l teeth thereon, said teethA being Vnter-meshed with the gear teeth inthe first -namedarm and linkage Y connected with said Vsecond named arm and withglaof Y the door to revolve said doorv within its opening p when'thedooris secured in itsopenin'g or closing a,

14; In combination with'a doorliinge mounting therefor comprising a pair of suppm; '3527; ing arms mounted Yfor swinging Vmovement and Y pivotallyY connected to saidk door, gear teethinYone ofsaia 'arma .a second Yarrlmwar teeth thereon and intergeared with the teethY in saidV support- Y Y Y Y o Y 4o and tosaid second named'arm,`said linkY being VdiVS'DQSeClK to cause the rotation of said secondnamed arm whenl theYdoor is swung-upon said" VsupportingV arms. Q Y' l 5. In combination with la dooranddoor frame',

frame and rotatably mounted thereon, a YsupV Y Y porting arm amxed to said stanchion andVpivot-'Y ally connected toV the upper endV of said`door, a sofgear toothed VsupportingY arm aixed VYto vsaid Y Y i stanchion andpivotallyYYconne'cted t0 the lower4V be rotated within itsopening as itis swungY there- '6, YIn combination witha door and door'frame, Y a rotatable swinging mountingfor said door com? a Y. prising a rodYconcealedLwithinfsaid frame Aand rotatably mounted thegone Supporting Aarm af. isl Xed t0 Said IQd.a,nd pivotally'connect togarrnrr end of-said door adjacent anYedge thereof, a gear Y i Y toothed'supporting-Yarm aiixed to said rodi and pivotally connected to the opposed endlof. said door adjacent ani-edge thereof; a third `arm piv-VY 7.61 Y Yotallyrmounted insaid frameggear teeth therein,Y Y Y intergeared with ythe second named arm, a. link Y' -pivvotedgto said third named'armY and to said door, Y "Y the pivotalconnectionof said link with said door being*Y disposed -forwardly ofY thefpivotal connec- 75` ,Y .l -i5-`vk a rotatable s'wingingmountingripr VsaidgdoorlgY comprisinga. stanchlon concealed withinsaid tion of said door with said supporting arms whereby the door will be rotated within its opening that is as it is swung therein upon said supporting arms.

'7. In combination with a door and door frame, a rotatable swinging mounting for said door, comprising a stanchion concealed within said door frame and rotatably mounted thereon, a supporting arm affixed to said stanchion and pivotally connected to one end of said door, a gear toothed supporting arm aflixed to said stanchion and pivotally connected to the other end of said door, an anti-friction bearing concealed in the marginal edge of said door constituting the pivotal connection of said gear toothed supporting arm, a third arm pivotally mounted in said frame, gear teeth therein, intermeshed with the second named arm, a link pivoted to said third named arm and to said door, the connection of said link with said door being disposed forwardly of the pivotal connection of said door with said supporting arms whereby the door will be rotated within its opening as it is swung therein upon said supporting arms.

8. In combination with a door having a. cutaway portion in the marginal edge thereof and door frame, a rotatable swinging mounting for said door, comprising a stanchion concealed within said frame and rotatably mounted thereon, a supporting arm aixed to said stanchion and pivotally connected to one .end of said door, .a gear toothed supporting arm amxed to said stanchion and pivotally connected to the other end of said door, a third arm pivotally mounted in'said frame, gear teeth therein, intergeared with the second named arm, a plate adjacent said second named arm the walls thereof defining a recess, a link pivoted to said third named arm, said link having an offset portion therein extended within said recess in said plate and being pivoted to said door within said recess, the pivotal connection of said link with said door being disposed forwardly of. the pivotal connection of said door with said supporting arms whereby the door will be rotated within its opening as it is swung therein upon said supporting arms.

MARTIN ESSER.. 

